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what is the difference between quality assurance and quality control?

Asked by: ranu agrawal | Member Since Dec-2007 | Asked on: Dec 22nd, 2007

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Showing Answers 1 - 11 of 11 Answers
Rangaraman

Answered On : Jan 20th, 2008

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Quality Control measures the quality of a product.
Quality Assurance measures the quality of processess used to create quality product.

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melosha

Answered On : Jan 30th, 2008

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Quality Assurance :

 - It is a Assurance activity,emphasizing on the standards and procedures to be followed while developing an application
- It is a Preventive action taken before hand to ensure the product that developed are defect free

- It is a systematic actions necessary to provide enough confidence that a product or service will satisfy the given requirements for quality.

Quality Control

- It is a Corrective action 
- Inspection if the developed application follows the standards and procedures by using the checklists.

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With reference to some documents i posting the details about Quality Assurance.

Software QA involves the entire software development PROCESS - Monitoring and improving the process, making sure that any agreed-upon standards and procedures are followed, and ensuring that problems are found and dealth with. It is oreinted to 'Prevention'.

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gangumalla

Answered On : Mar 28th, 2008

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QC/Testing - Is a process of evaluating a software system against the
predefined standards (requirements) with intension to find the defects.

QA - It deals with creation, implementation and continuous improvement of
processes employed in all phases of system development life cycle i.e


Planning

Analysis

Designing

Coding/Building

Testing

Deployment/Implementation

Maintained.


QA focuses on completeness and thoroughness in the methods and practices
followed for creating a software product, where as testing verifies the
incompleteness and deficiencies of the same product.


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jafarcts

Answered On : Jun 8th, 2008

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Quality Assurance:
Simply it is "Am I building the product right way?"
Process oriented
Process to bring the quality product
Example - interview, walkthourghs, audits... etc.

Quality Control
Simply it is "Am I building the right product?"
Product orieneted.
Validating the application
Example - Testing an application

  
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Quality assurance is planed and systematic set of activities necessary to provide adequate confidence that products/services will confirm to the specified requirements. It is a staff function, Defect prevention based.



Quality control is the process in which product quality is compared with applicable standards and action will be taken when non conformance occurred. It is a line function, Defect design based.

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yagnamsolanki

Answered On : Aug 7th, 2009

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Quality assurance is a process oriented (verification).
Quality Control is a product oriented (validation).

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ashishks

Answered On : Aug 24th, 2009

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- QA makes sure that we are doing the right things in the right way.
- QC makes sure that whatever we have done, is as per the requirements.

- QA is process oriented.
- QC is product oriented.

- QA establishes precess.
- QC implements process.

- QA is the resposibilty of entire team.
- QC is the responsibility of tester.

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Quality assurance (QA) is about process.  It is the systematic establishment and monitoring of processes designed to improve quality throughout an organization.  The two major aspects of QA are 1) to ensure products and services are "fit for purpose" and that errors in processes are minimized. Code peer reviews, walkthroughs, and code inspections are examples of quality assurance. 

Quality control (QC) deals directly with a product or service.  It is a process through which quality performance is measured, compared it to standards, and actions are taken to close the differences. Test design, execution and defect reporting are examples of quality control. 

  
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Quality Assurance is defect prevention method and where as Quality Control is defect detection and correction method.

  
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bheemrao

Answered On : Sep 21st, 2011

Quality Control is for Process quality &

Quality Assurance is for Product quality.

  
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